I think they're all better than they were because of tighter handling procedures, or natural causes. "Hardy" isn't a word I'd use but they aren't "doomed from the get-go" the way they used to be. I believe that the same was happening with elegance coral, and it is now considered to be at least maintainable.
I remember reading an article about exactly this... they think it was due to shipping procedures that would damage the coral irreparably.
I remember reading an article about exactly this... they think it was due to shipping procedures that would damage the coral irreparably.